Abstract: Lower and upper limit float switches 15a and 15b for detecting the liquid level in high-temperature separator 14, orifice portion 18 and float-associated valve V1 parallel to the orifice portion are provided, with the orifice portion being provided on circulation pipe K2 extending from the gas-liquid separator in a position either upstream or downstream of high-temperature heat exchanger 17. The float-associated valve is closed when the liquid level drops to the lower limit thereof and it is opened when the liquid level rises to the upper limit thereof. During normal operation of the cooling apparatus, the flowing of steam from the gas-liquid separator into the heat exchanging unit can be prevented to ensure smooth passage of the solution. In a diluting operation, the head of the gas-liquid separator suffices to ensure an adequate flow of the solution in spite of the small pressure difference, thereby assuring the diluting operation to proceed smoothly.

Abstract: Each of the water dispense pipes 46 in a dual pipe unit has nozzle 46a in an area starting just before the evaporating/absorbing compartment 43 and extending to its distal end. The nozzle 46a is a means by which the portion of the circulation pipe that is located upstream of the nozzle and which is exposed to elevated temperature is isolated from the evaporating/absorbing compartment filled with a low-temperature and pressure atmosphere. As a result, the streams of refrigerant water coming from the distributor 45 are suppressed by the nozzles at the distal ends of the individual water dispense pipes so that the liquid pressure becomes uniform among those distal ends, from which the refrigerant water is dispensed into the evaporating/absorbing compartment at a generally uniform pressure.

Abstract: Dual pipe unit 40 is erected vertically and comprises cold water pipe 41 serving as a passageway of cold water and surrounded by coaxial outer pipe 42. The cold water pipe consists of evaporating pipe portion 41a sealed at the bottom and inner pipe portion 41b coaxially provided in its interior. The bottom of the inner pipe portion is open near the bottom of the evaporating pipe portion whereas its top penetrating the top of the evaporating pipe portion to project into the latter is fixed thereto in a liquid-tight manner. The cold water pipe penetrates the top of the outer pipe but it is fixed to the latter in a liquid-tight manner, with its bottom end being spaced from the bottom end of the outer pipe by a specified distance. Evaporating/absorbing compartment 43 is formed between the evaporating pipe and the outer pipe. The channel of cold water through the evaporating pipe portion is narrowed and the cold water collects toward its wall surface, flowing at an increased relative velocity.

Abstract: A garbage disposer for deodorizing and drying of garbage. A processing tank containing garbage is heated through the implementation of a heater, and thereby the temperatures in the processing tank and the heating chamber are raised and the water contained in the garbage is evaporated. When a predetermined period of time has passed, from the start of the heating of the processing tank, a fan and heater are prompted into operation and the gas in the heating chamber, which contains a large quantity of steam, flows into a condensing section where the gas is cooled as it flows through the fin tube and the dew point of the gas is lowered; and the steam contained in the gas is condensed into water. The remaining gas is then returned to the heating chamber through a returning pipe, where the gas is heated to a high temperature. The condensed water is collected in a condensing section and the collected water flows into a discharge pipe whereby the water is discharged to the outside of the garbage disposal.

Abstract: Whenever necessary, an operation for diluting an absorbing solution after the stop of the operation is unlimitedly enabled without increasing the size of an absorption refrigerating machine. For the dilution operation after the operation of the absorption refrigerating machine, a pipe line of a dilute solution circulating pipe KD is opened by a dilution valve VD. Thereby, a solution pump P1 and an absorber A can be directly connected through a circulating pipe K6. The operation of the solution pump allows circulating a low-concentration solution and facilitates the dilution of a high-concentration solution to a low concentration. Since this case has nothing to do with a pressure difference in a path, the dilution operation can be performed whenever necessary. Moreover, since it is unnecessary to deal with a pressure loss, it is not necessary to increase the height of the apparatus.

Abstract: The absorption chamber of an absorption-type air-conditioning apparatus is formed as a vertically oriented cylinder having an inner surface on which absorption liquid is dispensed for absorbing water vapor or coolant vapor. A guide structure is installed at the inner surface of the cylinder to lead the absorption liquid to the inner surface of the cylinder and to spread the absorption liquid over substantially all of the inner surface of the cylinder. The guide structure may be in the form of a mesh lath rolled into a cylindrical shape and installed against the inner surface of the cylinder or a helical coil installed against the inner surface of the cylinder and having a plurality of grooves formed on an outer surface of the coil to allow a portion of the absorption liquid flowing on an upward-facing surface of the coil to flow vertically downward to portions of the inner surface of the cylinder.

Abstract: An air-cooled absorption-type air conditioning apparatus performs both cooling and heating operations. The apparatus includes circulation pipes through which a thermal medium flows, the thermal medium being for controlling room air temperature. Further included in the apparatus are outer pipes provided concentrically and outside of sections of the circulation pipes to form chambers between the circulation pipes and the outer pipes. The outer pipes have fins on external surfaces of the outer pipes, and the fins are arranged in a substantially vertical orientation. Also included in the apparatus are a fan for circulating air over the outer pipes, first spray mechanisms for dispensing a liquid coolant over outer surfaces of the circulation pipes in the chambers formed between the circulation pipes and the outer pipes, and second spray mechanisms for dispensing an absorption liquid onto inner surfaces of the outer pipes in the chambers, the absorption liquid being for absorbing the liquid coolant.

Abstract: An absorption-type air-conditioning apparatus includes an overflow pipe connecting a phase separator and an absorption chamber. When the apparatus begins operation, and the pressure differential between the phase separator and the evaporation chamber is insufficient to cause the absorption liquid to flow smoothly via dispenser nozzles into the absorption chamber, excessive accumulation of absorption liquid in the phase separator is prevented by allowing the excess liquid to bypass the nozzles via the overflow pipe. When the temperature of the absorption liquid in the phase separator increases so that the pressure differential between the phase separator and the absorption chamber is increased, the overflow pipe is closed, and normal operation of the apparatus proceeds.

Abstract: An air-cooled absorption-type air-conditioning apparatus in which a simple design allows for heating and cooling and in addition in which freezing is prevented during the heating operation. A liquid coolant from the condenser is dripped onto the inner surface of the outer pipes in the evaporation-absorption chambers and removes the evaporation heat due to evaporation in low pressure. Therefore, the outer pipes are cooled. Overcooling of the outer pipes is prevented by a fan which directs the heat generated at the condenser to the outer pipes. The evaporated coolant is absorbed in the high-concentration liquid on the outer surface of the water pipes and the absorption heat generated by the high-concentration liquid heats the water flowing in the water pipes. A room unit performs the heating or cooling operation by using warm or chilled water circulating in the water pipes.

Abstract: An absorption-type air-conditioning apparatus uses an absorption liquid that is a solution of a liquid coolant and an absorption medium. First and second regenerators are provided for heating the absorption liquid to release coolant vapor and concentrate the absorption liquid. Each of the regenerators includes a respective fin-tube-type heat exchanger in which the absorption liquid flows as it is being heated.

Abstract: In a pulse combination device including a housing forming therein a combustion chamber, a cylindrical support member joined to the housing to form a mixing chamber in open communication with the combustion chamber, a perforated end wall member coupled with an open end of the support member to permit inward flow of the air passing therethrough into the mixing chamber, a cylindrical member mounted in the center of the end wall member to form therein a gas passage in open communication with the mixing chamber, an annular plate formed with a plurality of air inlet ports and being secured to annular end surfaces of the end wall member and the cylindrical member, a shroud housing assembly arranged to form therein an air intake chamber in open communication with the inlet ports through the perforated end wall member, and a blower arranged to forcibly supply the air into the air intake chamber, a deflector plate is mounted in place in the mixing chamber to block a reverse flow of combustion products applied thereto f

Abstract: A check-valve mechanism of a pulse combustion apparatus for passing air into a mixing chamber includes (i) a partition wall separating an air inlet chamber and the mixing chamber from each other, (ii) a plurality of rear discs of relatively small diameters spaced apart from the partition wall and located inside the mixing chamber, and (iii) a plurality of front discs, or valve members, located between said partition wall and said rear discs; respectively. The circular portions of the partition wall which overlies the respective valve members (as viewed from the side of the air inlet chamber) each have a plurality of radially-extended elongate openings for passing air into the mixing chamber. Each rear disc has a plurality of small circular openings. Each valve member is axially movable between the partition wall and the associated rear disc, thereby opening and closing the elongate openings.

Abstract: A pulse combustion apparatus includes a hot water storage tank, a combustion chamber provided in the tank, a mixing chamber disposed outside the tank and connected to the combustion chamber, an air supply line comprising an air pipe, a fan, a muffler and an air chamber and connected to the mixing chamber, a fuel supply line connected to the mixing chamber, and an exhaust line connected to the combustion chamber. The muffler is disposed between the fan and the air chamber. The exhaust line includes a muffler disposed in the tank and connected to the combustion chamber by a tailpipe.

Abstract: A pulse combustion device wherein pulse combustion of a rich mixture of primary air and gaseous fuel is established without provision of conventional non-return valves.

Abstract: A pulse combustion device having a mixing chamber arranged to be supplied with primary air and gaseous fuel, and a combustion chamber which is supplied with a mixture of gaseous fuel and air from the mixing chamber to take place pulse combustion of the mixture therein. The pulse combustion device includes an air intake system which is composed of a primary air intake system for adjusting an amount of primary air supplied into the mixing chamber to create a rich mixture of gaseous fuel and primary air in the mixing chamber, and a secondary air intake system for supplying secondary air into the combustion chamber and for adjusting an amount of the secondary air to be mixed with the rich mixture in the combustion chamber.